16 citations · 52 across the 9 of their papers we have counts for
9 papers
Measurements of the amplitude-dependent microwave surface resistance of an Au/Nb bilayer
Thomas Oseroff, Zeming Sun, Matthias Liepe
Surface properties are critical to the capabilities of superconducting microwave devices. The native oxide of niobium-based devices is thought to consist of a thin normal conductin…
Thermodynamic route of Nb3Sn nucleation: Role of oxygen
Zeming Sun, Darrah K. Dare, Zhaslan Baraissov +3
Intermetallic Nb3Sn alloys have long been believed to form through Sn diffusion into Nb. However, our observations of significant oxygen content in Nb3Sn prompted an investigation…
Surface oxides, carbides, and impurities on RF superconducting Nb and Nb3Sn: A comprehensive analysis
Zeming Sun, Zhaslan Baraissov, Catherine A. Dukes +5
Surface structures on radio-frequency (RF) superconductors are crucially important in determining their interaction with the RF field. Here we investigate the surface compositions,…
ZrNb(CO) RF superconducting thin film with high critical temperature in the theoretical limit
Zeming Sun, Thomas Oseroff, Zhaslan Baraissov +11
Superconducting radio-frequency (SRF) resonators are critical components for particle accelerator applications, such as free-electron lasers, and for emerging technologies in quant…
Smooth, homogeneous, high-purity Nb3Sn superconducting RF resonant cavity by seed-free electrochemical synthesis
Zeming Sun, Zhaslan Baraissov, Ryan D. Porter +6
Workbench-size particle accelerators, enabled by Nb3Sn-based superconducting radio-frequency (SRF) cavities, hold the potential of driving scientific discovery by offering a widely…
Kinetic Insights into Bridge Cleavage Pathways in Periodic Mesoporous Organosilicas
Zeming Sun, Aine Connolly, Michael O. Thompson
Bridging functionalities in periodic mesoporous organosilicas (PMOs) enable new functionalities for a wide range of applications. Bridge cleavage is frequently observed during anne…
Electrochemical Polishing of Chemical Vapor Deposited Niobium Thin Films
Zeming Sun, Mingqi Ge, James T. Maniscalco +3
Combining chemical vapor deposition (CVD) with electrochemical polish (EP) operations is a promising route to producing performance-capable superconducting films for use in the fab…
Thermal annealing of sputtered Nb3Sn and V3Si thin films for superconducting radio-frequency cavities
Katrina Howard, Zeming Sun, Matthias U. Liepe
Nb3Sn and V3Si thin films are promising candidates as thin films for the next generation of superconducting radio-frequency (SRF) cavities. However, sputtered films often suffer fr…
Theory of Nb-Zr Alloy Superconductivity and First Experimental Demonstration for Superconducting Radio-Frequency Cavity Applications
Nathan S. Sitaraman, Zeming Sun, Ben Francis +8
Niobium-zirconium (Nb-Zr) alloy is an old superconductor that is a promising new candidate for superconducting radio-frequency (SRF) cavity applications. Using density-functional a…